<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
      span{
        font-size:100px;
        font-family:"微软雅黑";
        color:red;
      }
      p{
          /* 后备机制 */
          font-size: 30px;
          font-family:"微软雅黑";
          line-height: 1.5;
          color:red;
          font-weight: bold;
          font-style: italic;
          text-decoration: overline;
      }
        
    </style>
</head>
<body>
    <span>文本</span>
    <p>adadasfdfdsgdshjkghfjkyhuiwhkjdhgfhdsgfkds</p>
    
</body>
</html>